J/A+A/575/A70ivo://CDS.VizieR/J/A+A/575/A70doi:10.26093/cds/vizier.35750070CDSMcEvoy C.M.Dufton P.L.Evans C.J.Kalari V.M.Markova N.,Simon-Diaz S.Vink J.S.Walborn N.R.Crowther P.A.De Koter A.,de Mink S.E.Dunstall P.R.Henault-Brunet V.Herrero A.Langer N.,Lennon D.J.Maiz Apellaniz J.Najarro F.Puls J.Sana H.,Schneider F.R.N.Taylor W.D.2017-12-15T10:55:27Z2015-06-16T08:07:41ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frb-starssupergiant-starsModel atmosphere analyses have been previously undertaken for both Galactic and extragalactic B-type supergiants. By contrast, little attention has been given to a comparison of the properties of single supergiants and those that are members of multiple systems. Atmospheric parameters and nitrogen abundances have been estimated for all the B-type supergiants identified in the VLT-FLAMES Tarantula survey. These include both single targets and binary candidates. The results have been analysed to investigate the role of binarity in the evolutionary history of supergiants. TLUSTY non-local thermodynamic equilibrium (LTE) model atmosphere calculations have been used to determine atmospheric parameters and nitrogen abundances for 34 single and 18 binary supergiants. Effective temperatures were deduced using the silicon balance technique, complemented by the helium ionisation in the hotter spectra. Surface gravities were estimated using Balmer line profiles and microturbulent velocities deduced using the silicon spectrum. Nitrogen abundances or upper limits were estimated from the NII spectrum. The effects of a flux contribution from an unseen secondary were considered for the binary sample. We present the first systematic study of the incidence of binarity for a sample of B-type supergiants across the theoretical terminal age main sequence (TAMS).2015A&A...575A..70Mhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/575/A70CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/530/A108 : VLT-FLAMES Tarantula Survey (Evans+, 2011)J/A+A/550/A107 : RV catalogue of O stars in 30 Doradus (Sana+, 2013)J/A+A/550/A108 : DIB in VLT-FLAMES Tarantula Survey (van Loon+, 2013)J/A+A/550/A109 : VLT-FLAMES Tarantula Survey: vsini measures (Dufton+ 2013)J/A+A/564/L7 : VLT-FLAMES Tarantula Survey: VFTS 822 (Kalari+, 2014)J/A+A/560/A29 : O-stars in VLT-FLAMES Tarantula Survey (Ramirez-Agudelo+ 2013)J/A+A/564/A39 : VLTS. OVz stars in 30 Dor (Sabin-Sanjulian+, 2014)J/A+A/564/A40 : VFTS. O-type stellar content of 30 Dor (Walborn+, 2014)J/A+A/574/A13 : VFTS. B-type stars classification and RV (Evans+, 2015)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/575/A70https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/575/A70http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/575/A70https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/575/A70https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/575/A70http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/575/A70GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/575/A70/stars (VFTS B-type supergiant sample: binaritu status, spectral class, adopted rotational velocities, atmospheric parameters, abundances, lumonosities and masses (tables 1, 4, 7))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/575/A70/stars?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/575/A70/stars?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/575/A70/stars?GETtext/xml+votable180.050000true84.229875-69.19380560.0055555555555555566/33094https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/575/A70?format=asciidefaultJ/A+A/575/A70/table2Estimates for atmospheric parameters for the single starsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintStar[3/867] Star VFTS numbermeta.id;meta.mainintNote[*] * if atmospheric parameter estimates found from extrapolationmeta.notecharTe.Si[12000/29000] Effective temperature estimated from the Silicon ionisation balance (Si)Kphys.temperature.effectiveintTe.He[23000/28500]? Effective temperature estimated from HeII profile at 4686{AA}Kphys.temperature.effectiveintnullablelogg[1.6/3.3] Surface gravitylog(cm.s**-2)phys.gravityfloatvt1[6/16]? Microturbulence velocity estimated from relative strength of the SiIII lineskm/sphys.veloc.microTurbintnullablevt2[0/21]? Microturbulence velocity estimated from absolute silicon abundancekm/sphys.veloc.microTurbintnullableJ/A+A/575/A70/table3Estimates for atmospheric parameters of the binary starsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintStar[3/867] Star VFTS numbermeta.id;meta.mainintf_Te.Si[*+] Extrapolated or constrained temperature (1)meta.codecharTe.Si[13500/29000] Effective temperature estimated from the silicon ionisation balance (Si)Kphys.temperature.effectiveintTe.He1[21500/28500]? Effective temperature estimated from HeII profile at 4686{AA}Kphys.temperature.effectiveintnullableTe.He2[24000/29500]? Effective temperature estimated from HeII profile at 4541{AA}Kphys.temperature.effectiveintnullablelogg[2.3/3.3] Surface gravitylog(cm.s**-2)phys.gravityfloatvt1[5/18]? Microturbulence velocity estimated from relative strength of the SiIII lineskm/sphys.veloc.microTurbintnullablevt2[0/30]? Microturbulence velocity estimated from absolute silicon abundancekm/sphys.veloc.microTurbintnullableJ/A+A/575/A70/starsVFTS B-type supergiant sample: binaritu status, spectral class, adopted rotational velocities, atmospheric parameters, abundances, lumonosities and masses (tables 1, 4, 7)ONameOther name of starmeta.idcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintStar[3/867] Star VFTS numbermeta.id;meta.mainintprimaryDRV[2/404] Variation in radial velocitieskm/sstat.stdev;phys.velocintBinD15Binary status from Dunstall et al., in prep. (2)src.classcharBinMBinary status from moment analysis (2)src.classcharBinAdopted binary status (2)src.classcharASimbad column added by the CDSmeta.ref.urlcharSpTypeMK spectral type (1)src.spTypecharn_SpType[+] + for SpType from Walborn et al. (2014A&A...564A..40W)meta.notecharSN2[50/650] Typical S/N for LR02 Giraffe settingstat.snrintSN3[40/440] Typical S/N for LR03 Giraffe settingstat.snrintRV[202/343] Radial velocity (3)km/sphys.veloc;pos.heliocentricintnullablen_RV[1] Origin of RV (4)meta.notecharl_vsini[<= ] Limit flag on vsinimeta.code.error;phys.veloc.rotatvsiniProjected rotational velocitykm/sphys.veloc.rotatintnullablen_vsini[2] Origin of vsini (4)meta.notecharvsini2? FT estimate of projected rotational velocity for low S/N caseskm/sphys.veloc.rotatintnullableTeff[12000/29500] Effective temperatureKphys.temperature.effectiveintnullablelogg[1.6/3.3] Surface gravitylog(cm.s**-2)phys.gravityfloatnullablevt[0/30] Microturbulence velocitykm/sphys.veloc.microTurbintnullableMg[6.5/7.5]? Mg abundance (scale log(X/H)+12)phys.abundfloatnullablel_N3995[<= ] Limit flag on l3995meta.code.errorN3995[6.8/8.3] Abundance of N from {lambda}3995{AA} (scale log(X/H)+12)phys.abundfloatnullableN[6.8/8.3]? Total N abundance (scale log(X/H)+12)phys.abundfloatnullablee_N? rms uncertainty on Nstat.errorfloatnullablenN? Number of line used for total N abundancemeta.numberintnullablelogLe[3.4/4.4] Star luminosity (5)log(solLum)phys.luminosityfloatnullableAkV[0/0.6]? VISTA infrared extinctionmagphys.absorptionfloatnullableAk2[0/0.6]? 2MASS Ks-band extinctionmagphys.absorptionfloatnullablelogLv[3.9/6.0]? Visible stellar luminositylog(solLum)phys.luminosityfloatnullablelogLV[4.2/5.7]? VISTA stellar luminositylog(solLum)phys.luminosityfloatnullablelogL2[4.2/6.2]? 2MASS stellar luminositylog(solLum)phys.luminosityfloatnullablelogL[4.2/6.1]? Adopted stellar luminositylog(solLum)phys.luminosityfloatnullableMs[4/71] Spectroscopic masssolMassphys.massintnullableMe[12/48]? Current evolutionary mass estimatesolMassphys.massintnullablel_Mo[>] Limit flag on Mometa.code.errorcharMo[13/60]? Initial evolutionary mass estimatesolMassphys.massintnullablelogt[6.5/7.2]? Stellar agelog(yr)time.agefloatnullableSimbadSimbad column added by the CDSmeta.ref.urlchar_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.main_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.main